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Move Bluetooth config to common_features.mk (#14404)

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* Move Bluetooth config to common_features.mk

* Update common_features.mk

Co-authored-by: Drashna Jaelre <drashna@live.com>

Co-authored-by: Drashna Jaelre <drashna@live.com>
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Ryan 2021-09-13 01:22:03 +10:00 • committed by GitHub
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19
docs/feature_bluetooth.md
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@ -4,10 +4,10 @@
Currently Bluetooth support is limited to AVR based chips. For Bluetooth 2.1, QMK has support for RN-42 modules. For more recent BLE protocols, currently only the Adafruit Bluefruit SPI Friend is directly supported. BLE is needed to connect to iOS devices. Note iOS does not support mouse input.
|Board |Bluetooth Protocol |Connection Type |rules.mk |Bluetooth Chip|
|----------------------------------------------------------------|----------------------------|----------------|---------------------------|--------------|
|Roving Networks RN-42 (Sparkfun Bluesmirf) |Bluetooth Classic | UART |`BLUETOOTH = RN42` | RN-42 |
|[Bluefruit LE SPI Friend](https://www.adafruit.com/product/2633)|Bluetooth Low Energy | SPI |`BLUETOOTH = AdafruitBLE` | nRF51822 |
|Board |Bluetooth Protocol |Connection Type|rules.mk |Bluetooth Chip|
|----------------------------------------------------------------|--------------------|---------------|--------------------------------|--------------|
|Roving Networks RN-42 (Sparkfun Bluesmirf) |Bluetooth Classic |UART |`BLUETOOTH_DRIVER = RN42` |RN-42 |
|[Bluefruit LE SPI Friend](https://www.adafruit.com/product/2633)|Bluetooth Low Energy|SPI |`BLUETOOTH_DRIVER = AdafruitBLE`|nRF51822 |
Not Supported Yet but possible:
* [Bluefruit LE UART Friend](https://www.adafruit.com/product/2479). [Possible tmk implementation found in](https://github.com/tmk/tmk_keyboard/issues/514)
@ -23,16 +23,17 @@ Currently The only bluetooth chipset supported by QMK is the Adafruit Bluefruit
A Bluefruit UART friend can be converted to an SPI friend, however this [requires](https://github.com/qmk/qmk_firmware/issues/2274) some reflashing and soldering directly to the MDBT40 chip.
<!-- FIXME: Document bluetooth support more completely. -->
## Bluetooth Rules.mk Options
The currently supported Bluetooth chipsets do not support [N-Key Rollover (NKRO)](reference_glossary.md#n-key-rollover-nkro), so `rules.mk` must contain `NKRO_ENABLE = no`.
Use only one of these to enable Bluetooth:
* BLUETOOTH_ENABLE = yes (Legacy Option)
* BLUETOOTH = RN42
* BLUETOOTH = AdafruitBLE
Add the following to your `rules.mk`:
```makefile
BLUETOOTH_ENABLE = yes
BLUETOOTH_DRIVER = AdafruitBLE # or RN42
```
## Bluetooth Keycodes